Computer Science
Assertion. Data redundancy may lead to many problems.
Reason. In RDBMS, data redundancy is 100% removed.
Answer
(c)
Assertion is true but Reason is false.
Explanation
Data redundancy may lead to many problems. It refers to the duplication of data in a database, which can result in data inconsistencies, increased storage requirements, and difficulties in maintaining data integrity. In RDBMS, data redundancy is minimized but not completely eliminated.
Related Questions
Assertion. A database is centrally stored data and a DBMS is a system to manage the database.
Reason. DBMS is a database management system, which is a software managing the databases.
Assertion. Data redundancy may lead to data inconsistency.
Reason. When redundant data or the multiple copies of data mismatch, it makes the data inconsistent.
Assertion. A primary key is used to uniquely identify the rows in a data table.
Reason. A primary key is a field or attribute which has a unique value for each row or tuple.
Assertion. A data table can have only one primary key.
Reason. In a data table, there can be only one attribute/field containing unique values for each row.